131102031133 has 4 divisors (see below), whose sum is σ = 131102790588. Its totient is φ = 131101271680.

The previous prime is 131102031083. The next prime is 131102031161. The reversal of 131102031133 is 331130201131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24593139684 + 106508891449 = 156822^2 + 326357^2 .

It is a cyclic number.

It is not a de Polignac number, because 131102031133 - 2⁹ = 131102030621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131102031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102031173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18243 + ... + 512383.

It is an arithmetic number, because the mean of its divisors is an integer number (32775697647).

Almost surely, 2^131102031133 is an apocalyptic number.

It is an amenable number.

131102031133 is a deficient number, since it is larger than the sum of its proper divisors (759455).

131102031133 is an equidigital number, since it uses as much as digits as its factorization.

131102031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759454.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131102031133 its reverse (331130201131), we get a palindrome (462232232264).

The spelling of 131102031133 in words is "one hundred thirty-one billion, one hundred two million, thirty-one thousand, one hundred thirty-three".